BGS mineralogy and petrology collection record
| Sample number | S21700 |
|---|---|
| Sample Donor | Macgregor,A.G. |
| Rock name | 'Original entry: Rotten Feldspathic' |
| Stratigraphy | Not entered |
| Comments | 4 ft W 10 deg N felsite dyke |
| Locality details | NW coast of Eilean Ghreasamuill, 300 yds SW from northern extremity |
| 50k map sheet | Tiree (42) |
| Map reference | NL 9324 4421 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |
Petrological thin sections
Links to high resolution images
Transition from XPL to PPL light
S21700
